DE59105766D1 - Two-stage vacuum pump and process for its manufacture. - Google Patents

Two-stage vacuum pump and process for its manufacture.

Info

Publication number
DE59105766D1
DE59105766D1 DE59105766T DE59105766T DE59105766D1 DE 59105766 D1 DE59105766 D1 DE 59105766D1 DE 59105766 T DE59105766 T DE 59105766T DE 59105766 T DE59105766 T DE 59105766T DE 59105766 D1 DE59105766 D1 DE 59105766D1
Authority
DE
Germany
Prior art keywords
manufacture
vacuum pump
stage vacuum
stage
pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE59105766T
Other languages
German (de)
Inventor
Lutz Arndt
Winfried Kaiser
Peter Mueller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Balzers und Leybold Deutschland Holding AG
Original Assignee
Leybold AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Leybold AG filed Critical Leybold AG
Application granted granted Critical
Publication of DE59105766D1 publication Critical patent/DE59105766D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/10—Outer members for co-operation with rotary pistons; Casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49236—Fluid pump or compressor making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49236—Fluid pump or compressor making
    • Y10T29/49245—Vane type or other rotary, e.g., fan

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
DE59105766T 1990-05-29 1991-03-05 Two-stage vacuum pump and process for its manufacture. Expired - Fee Related DE59105766D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4017192A DE4017192A1 (en) 1990-05-29 1990-05-29 METHOD FOR PRODUCING A PUMP RING FOR A TWO-STAGE VACUUM PUMP AND VACUUM PUMP EQUIPPED WITH SUCH A PUMP RING

Publications (1)

Publication Number Publication Date
DE59105766D1 true DE59105766D1 (en) 1995-07-27

Family

ID=6407367

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4017192A Withdrawn DE4017192A1 (en) 1990-05-29 1990-05-29 METHOD FOR PRODUCING A PUMP RING FOR A TWO-STAGE VACUUM PUMP AND VACUUM PUMP EQUIPPED WITH SUCH A PUMP RING
DE59105766T Expired - Fee Related DE59105766D1 (en) 1990-05-29 1991-03-05 Two-stage vacuum pump and process for its manufacture.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4017192A Withdrawn DE4017192A1 (en) 1990-05-29 1990-05-29 METHOD FOR PRODUCING A PUMP RING FOR A TWO-STAGE VACUUM PUMP AND VACUUM PUMP EQUIPPED WITH SUCH A PUMP RING

Country Status (4)

Country Link
US (1) US5155908A (en)
EP (1) EP0459092B1 (en)
JP (1) JPH04231695A (en)
DE (2) DE4017192A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4325286A1 (en) * 1993-07-28 1995-02-02 Leybold Ag Two-stage rotary vane vacuum pump
DE9311986U1 (en) * 1993-08-11 1993-10-14 Leybold Ag Two-stage rotary vane vacuum pump
DE4435494A1 (en) * 1994-10-04 1996-04-11 Bosch Gmbh Robert Hydraulic power pack
KR101541848B1 (en) * 2012-11-12 2015-08-13 현대모비스 주식회사 In-wheel Motor System

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB158831A (en) * 1920-02-03 1921-07-21 Irwin & Jones Ltd Improvements in or relating to rotary pumps or motors
US1692473A (en) * 1928-01-04 1928-11-20 Vincent S Clymer Air compressor
US2246272A (en) * 1940-08-04 1941-06-17 Davidson William Ward Rotary pump
US2628014A (en) * 1950-08-17 1953-02-10 Max Raskin Multiple stage nonslip vacuum pump
US2949924A (en) * 1958-02-03 1960-08-23 Jr Arthur Melvin Cochran Fluid proportioning device
CH420471A (en) * 1963-11-28 1966-09-15 Lab Pristroje Narodni Podnik Two-stage rotary vane oil air pump
DE2354039A1 (en) * 1973-10-29 1975-05-07 Leybold Heraeus Gmbh & Co Kg ROTARY VALVE PUMP
JPS5847275Y2 (en) * 1977-11-19 1983-10-28 株式会社ボッシュオートモーティブ システム vane compressor
DE2920626A1 (en) * 1979-05-22 1980-11-27 Leybold Heraeus Gmbh & Co Kg METHOD FOR PRODUCING A ROTOR FOR ROTARY VALVE VACUUM PUMPS AND ROTOR PRODUCED BY THIS METHOD
IT1182640B (en) * 1985-10-29 1987-10-05 Aspera Spa PROCEDURE AND DEVICE FOR THE ASSEMBLY OF ROTARY COMPRESSORS, PARTICULARLY FOR GROUPS OF COMPRESSORS OF REFRIGERATING AND SIMILAR MACHINES
JPH081182B2 (en) * 1987-02-19 1996-01-10 株式会社東芝 2-cylinder rotary compressor
EP0290662B1 (en) * 1987-05-15 1993-03-31 Leybold Aktiengesellschaft Positive-displacement two-shaft vacuum pump
US4746270A (en) * 1987-07-20 1988-05-24 Deco-Grand, Inc. Engine water pump assembly and method of making same

Also Published As

Publication number Publication date
EP0459092A1 (en) 1991-12-04
JPH04231695A (en) 1992-08-20
DE4017192A1 (en) 1991-12-05
US5155908A (en) 1992-10-20
EP0459092B1 (en) 1995-06-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BALZERS UND LEYBOLD DEUTSCHLAND HOLDING AG, 63450

8339 Ceased/non-payment of the annual fee